But for the team of a dozen Facebook employees traveling the world, adapting to unpredictable situations and local customs was inevitable.

And finally a third."I put my hands up as if to say ' OK, now what?

A few dates followed and the two are friends to this day.

The Facebook team had to run out to the store so they could do their first demonstration by candlelight.

Facebook reps demonstrated several uses for the product, ranging from recruiting to searching for restaurant recommendations.

Then, at one point, a Facebook employee stood on stage and searched for "friends of my friends who are single and living in San Francisco." With that simple line, Facebook asserted itself as a potentially big player in the future of online dating.

who share similar interests, whereas Facebook's focus was on helping you find the people you do know.

The team had printed screenshots of the first version of a new product aimed at overseas app developers.

But the big reveal was sullied by coffee shop lighting so dim, nobody could actually see anything.